Revolving sign.



G. A, EVANS. REVOLVING SIGN.

APPLICATION FILED DEO. 16, 1912.

1,077,690. Patented N0v.4,1913.

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afcitizen` ofth'e UnitedS-tates; residinig at Chester,v in the county of Delawa-re', State of Pennsylvania, have invented {a'new f and use: ful Revolving Sign,- o-f which the following is a specification* My invention relates tot@ a.- sign which is adapted to bei-evolved andso directatten# tion thereto, and confsists' of meansy lfor auto'- matically causing the nrevohitio'n'-- o f the sig-n; said means involvfing awind-wheelland a heating Lmember, wlrichlatterl is d"adapted, t0`v actuate the former, anfdneXt,x an intake for atmospheric air which is adapted to be mingled with 'the products of? combustion vor heat. in thel casingiemployed, andfcause sa/id elements to produce a currentfofzgreatervolume to be impacted against said Windwheel, thusmore p owerfully and Seifectively rotating thel salme.l

The'inventionconsists also of details'ofl construction as will be hereinafter fully set forth.

rlhe invention is satisfactorily illustratedv in the accompanying drawingybnt the important instrumentalities' thereofV may be varied, and so it'visfto beunderstoodthat the invention is not limited to: the'specific arrangement and organization sho'vvna'ndl de# scribedexc'ept asjiset" forth in the appended claims.

Figure 1 represents a side elevation lof a revolving` sign embodying" my invention. Fig. 2 represents a central-vertical section thereof. F ig. 3 represents a side elevation of' a portion. ofy aV modification.-

Similar numerals of reference indicate,v l

Y. -thesign 14 1s visible, said rods being procorresponding parts in the figures.

Referring to the drawings 1 designates the base or bottom casing of the device t-he same being hollow and containing a heating device 2 which in the present case is of the form of a gas burner to which, however, I do not limit myself as a lamp or other heatproducing medium may be employed for my purpose.. Within said base is the defiector 3 which is of the form of an inverted cone, it being located above the heating device Q'and suspended from the cross head 4 which latter is connected with the vwall of said base in any suitable manner. Rising from said base is the flue 5, and surrounding the same and separated therefrom is the casing or cylinder Specificationpf `lIietters Patenti- Patented Nov. a, 1913;

Application ,inea December 1e,- 19,12.; serial No. 73e;sa2.-

Gf-whose'flo'wer endhas connected with it the y commnnicatinghood orj acketi7 which vsurronndsthe upper portionfof the base 1, the lower end'o=f1`saidho`od beingu open `so i as to admi-tf atmospheric alii1A vinto 4said cylinder, .it bein-g1noticed thatas hot air also is admitted into'l said cyliinfler,the# latterv comprises a mixing chamber y' for-fthe hot and cold air dir/'actedlinto thesame.

y @lathe-upper portion-'ofthe .cylinder G is the cylirrderlor upper section 8 of the casing form-inig a chamber to contain the wind wheel 9 whichisconnected with the shaft'lO whose -lo'werlr end is `m'ountedfon the step 11 which iislsccuredto t-hei spider or. cross head `12 whficlirlatterfis' connectedy with the interi'or ofthe cylinder 8, said stephaving ball-bearingsiforf saidshaft- 10, so that the latter'isbadapted to revolvewith the least friction Vand consequent-ly with ease. The shaftr lOfpasses centrally through the closed top ofthe cylinder5 8, the rim around said top having openings or ports y13 therein for the escape ofitheprocluctsfof combustion and airy afterlleavingfthe wind-wheel 9. The portionfof the shaft' 10 above the' cylinder 8 has connectedfwithfit'thev sign 14 which in the presentffcaselis of the form of a barbers pole itfbeing-.sustainedion the foot plate 15 and clampedthereon by the head plate 16, said plates being adjustably lit-ted on the shaft 10 at oppositeen'dsof thesign. The upper end of the shaft 10-is mount-ed in the cap 16x whichiis supportedfby the rodsv 17 on the plate 181l on thebottom thereof, saidplate -beingsustained on the top of the cylinder 8, Eit beingnoticedthat saidplate, rods and cap dorms. an open-sided frame through which vided with nuts whereby the members of said frame may be firmly connected.

It will be seen that when the device 2 is ignited, the result-ant heat of the products of combustion thereof rises in the base 1 and impinging against the deflector 3 is spread laterally thereby in the base 1 and so uniformly distributed therein in which condition it is directed into the flue 5 and forcibly discharged therefrom into the cylinder 6. Owing to the partial vacuum created in said cylinder by said flue 5 atmospheric air is drawn into said cylinder by the open end of the hood or jacket 7 as an air intake, the heated air and atmospheric air being kintermixed in said cylinder forming an ascending current of air acting upon the blades or vanes ofthe wind-wheel 9 more powerfully than simply hot rarefied air thus imparting efficiency and force to the wheel whereby the shaft l0 and sign let are rotated with corresponding effect, this being accomplished at aminimum expenditure of the heating medium and with diminished temperature while the upper structure of the device, especially the sign and its frame, is not unduly heated, nor owing to the ports 13 liable to be smoked by the products of com bustion. The detlector 3 while preventing the direct central current of heat into the flue deflects or spreads it laterally as has been stated also serving as a shade to avoid illumination of the top of the cylinder 8 at the ports therein. The cylinder or casing 8 has a lining 19 of non-conducting material so that the interior of said cylinder and the wind-wheel will not be subjected to atmospheric influence to which the exterior of the cylinder may be subjected.

The sign may be changed asdesired. For instance, in Fig. 3, it is of the form of a cigar Q0, in lieu of the barbers pole of the other figures, but it is evident that many other forms may be adopted, without chang ing the essential features of the invention involved.

Having thus described my invention what I claim as new and desire to secure by Letters Patent, is

l. A base, a heating device therein, a jacket surrounding the upper portion of said base with an intervening air space, a casing rising from said jacket, a windwheel, a cas ing therefor supported upon the first-inentioned casing, a sign mounted on the wind' wheel shaft, and a stationary frame within which said sign is received.

2. A base, a heating device therein, a flucrising from said base, a jacket surrounding said flue with an air space intervening, Va casing rising from said jacket, a windwheel,

a casing therefor supported upon the firstmentioned casing, a sign mounted on the windwheel shaft, and a stationary frame within which said sign is received, said flue and' jacket being conical to increase the upward draft of the products of combustion into the lowermost casing. Y 1

3. A base, a heating device therein, a deflector depending within the base, a flue rising from said base, a casing surrounding the flue, a windwheel casing, a windwheei therein, a frame supported above the windwheel casing, the windwheel shaft having a bearing in said frame, and a sign within the frame carried by the windwheel shaft and revoluble therewith.

4t., A base, a heating device therein, a flue rising from said base, a casing surrounding the flue, a windwheel casing, a lining of nonccnducting material within said windwheel casing, an open frame supported above the casing, a windwheel shaft supported insad frame and windwheel casing, a. windwheel 0n said shaft within the windwheel casing and a revoluble sign mounted on said shaft within said frame. Y

5. A base, a heating device therein, a jacket surrounding the upper portion oi' said base with an intervening air space, a casing rising from said base, a shaft mounted iu said casing, a windwheel on said shaft w ithin said casing, said shaftbeing extended above said casing, and a sign on said shaft revoluble therewith.

6. A base, a heating` device therein, a casing rising from said base, a sign-carrying shaft. mounted in said casing, a windwheel on said shaft within said casing, and a flue in the portion of said casing below said windwheel, said flue being in communication with said base.

CLARENCE A. EVANS.

Witnesses JOI-IN A. WrnDERsI-IEIM, N. BUssrNGnR.

Copies of this patent may be obtained forvve cents each, by addressing' the Commissioner of Patents, Washington, D. C. 

